https://www.finanz.ru/novosti/aktsii/shveycariya-nachala-arest-aktivov-gazproma-1025819917
http://www.mk.ru/economics/2018/05/30/byudzhet-rossii-vpervye-za-sem-let-vyshel-v-plyus.html
https://www.kommersant.ru/doc/3643979
When the United States escalated sanctions against Russia last month in retaliation to Moscow’s “malign activities” overseas, the impact was immediate. Shares in companies controlled by Kremlin-friendly oligarchs fell and the rouble suffered. Yet already critics are asking: are the sanctions working
https://www.thetimes.co.uk/article/putin-s-show-goes-on-as-russia-rides-out-sanctions-r9cs2qvqv
https://ru.krymr.com/a/29257689.html
https://www.vedomosti.ru/business/articles/2018/05/28/770967-gazprom-naftogazom
http://www.ng.ru/economics/2018-05-28/1_7233_regions.html